Copeland Compressor ZPD137KCE-TFD-522

07/27/2020

Ten reasons for the burning of air conditioning compressors

During the starting process of the air conditioner compressor, there is generally a step-down starting circuit, but the starting current will exceed several times the rated current, and the starting temperature of the air conditioner compressor motor will rise very quickly.

08/03/2020

Judgment steps of refrigerant leakage in air conditioning system

first step:<br></br> 　　 Shut down and unplug the air conditioner (to prevent danger during the inspection process), and connect a pressure gauge to the large valve. Observe the static pressure

09/10/2020

Air compressor lubricant performance requirements

1. High quality base oil 　　 The base oil of compressor oil can be divided into two categories: mineral oil type and synthetic oil type. The production of mineral oil-type compressor oil is generally obtained by solvent refining, solvent dewaxing, hydrogenation or clay supplement refining to obtain the base oil, and then add a variety of additives to blend.

06/14/2020

The school is about to start

Is the campus fresh air system necessary? With the improvement of the epidemic situation in various places, schools in various places have gradually begun to "recycle mythical beasts".

08/04/2020

Application of energy meter in air conditioning measurement<br></br>

Central air-conditioning household metering technology is more and more commonly used in public buildings with centralized cooling.

08/19/2020

Installation and debugging of thermal expansion valve in refrigeration equipment

The correct installation of the thermal expansion valve will also affect the performance of the refrigeration device. Before installation, check whether the expansion valve is in good condition, especially the temperature sensing mechanism.

06/29/2020

Compression ratio of American Copeland compressor

06/14/2020

The air conditioner power is 4500w, and the 4A power cord 32A is open, why is it always tripped

The air conditioner power is 4500W, 4 square power cord, and the 32A air switch will trip for a period of time, because it can run for a period of time, so it is not a problem of excessive starting current, so let's analyze the power is 4500W Air conditio器2䀀
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09/11/2020

Silent air compressor, oil-free air compressor

There are many types of manufacturers and sales. According to the air quality requirements, they can be basically divided into oil lubrication and oil-free lubrication. Here the author focuses on the purchase of oil-free air compressors.

07/29/2020

6 possible reasons why the air conditioner is not cooling

6 possible reasons why the air conditioner is not cooling<br></br> The reasons why the air conditioner is not refrigerated are divided into non-air-conditioning faults and air-conditioning faults. Today we share the reasons for non-air-conditioning faults.